| 1 | extern crate nihav_core; |
| 2 | extern crate nihav_allstuff; |
| 3 | |
| 4 | use std::io::SeekFrom; |
| 5 | use std::fs::File; |
| 6 | use std::path::Path; |
| 7 | use nihav_core::io::byteio::{FileReader, ByteReader}; |
| 8 | use nihav_core::frame::*; |
| 9 | use nihav_core::codecs::*; |
| 10 | use nihav_core::demuxers::*; |
| 11 | use nihav_core::detect; |
| 12 | use nihav_allstuff::*; |
| 13 | use std::env; |
| 14 | |
| 15 | mod frmwriter; |
| 16 | use crate::frmwriter::*; |
| 17 | |
| 18 | mod wavwriter; |
| 19 | use crate::wavwriter::WavWriter; |
| 20 | |
| 21 | #[derive(Clone,Copy,PartialEq)] |
| 22 | enum NumberMode { |
| 23 | Counter, |
| 24 | PktPTS, |
| 25 | FrmPTS, |
| 26 | } |
| 27 | |
| 28 | struct FrameOutput { |
| 29 | prefix: &'static str, |
| 30 | streamno: usize, |
| 31 | frameno: u64, |
| 32 | nmode: NumberMode, |
| 33 | } |
| 34 | |
| 35 | impl FrameOutput { |
| 36 | fn output_frame(&mut self, pkt: &NAPacket, frm: NAFrameRef) { |
| 37 | if frm.get_frame_type() != FrameType::Skip { |
| 38 | let pts = match self.nmode { |
| 39 | NumberMode::Counter => { self.frameno }, |
| 40 | NumberMode::PktPTS => { pkt.get_pts().unwrap() }, |
| 41 | NumberMode::FrmPTS => { if let Some(pt) = frm.get_pts() { pt } else { pkt.get_pts().unwrap() } }, |
| 42 | }; |
| 43 | let vinfo = frm.get_buffer().get_video_info().unwrap(); |
| 44 | if vinfo.get_format().is_paletted() { |
| 45 | write_palppm(self.prefix, self.streamno, pts, frm); |
| 46 | } else if vinfo.get_format().get_model().is_yuv() { |
| 47 | write_pgmyuv(self.prefix, self.streamno, pts, frm); |
| 48 | } else if vinfo.get_format().get_model().is_rgb() { |
| 49 | write_ppm(self.prefix, self.streamno, pts, frm); |
| 50 | } else { |
| 51 | panic!(" unknown format"); |
| 52 | } |
| 53 | } |
| 54 | self.frameno += 1; |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | struct AudioOutput { |
| 59 | wwr: WavWriter<'static>, |
| 60 | wrote_header: bool, |
| 61 | } |
| 62 | |
| 63 | impl AudioOutput { |
| 64 | fn new(name: &String) -> Self { Self { wwr: WavWriter::new(name), wrote_header: false } } |
| 65 | fn output_frame(&mut self, _pkt: &NAPacket, frm: NAFrameRef) { |
| 66 | if !self.wrote_header { |
| 67 | self.wwr.write_header(frm.get_info().as_ref().get_properties().get_audio_info().unwrap()).unwrap(); |
| 68 | self.wrote_header = true; |
| 69 | } |
| 70 | self.wwr.write_frame(frm.get_buffer()).unwrap(); |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | enum Outputter { |
| 75 | Video(FrameOutput), |
| 76 | Audio(AudioOutput), |
| 77 | None, |
| 78 | } |
| 79 | |
| 80 | fn main() { |
| 81 | let args: Vec<_> = env::args().collect(); |
| 82 | |
| 83 | if args.len() == 1 { |
| 84 | println!("usage: nihav-tool [-noout] [-vn] [-an] input [lastpts]"); |
| 85 | return; |
| 86 | } |
| 87 | let mut lastpts: Option<u64> = None; |
| 88 | let mut cur_arg: usize = 1; |
| 89 | let mut noout = false; |
| 90 | let mut decode_video = true; |
| 91 | let mut decode_audio = true; |
| 92 | let mut nmode = NumberMode::FrmPTS; |
| 93 | |
| 94 | while (cur_arg < args.len()) && (args[cur_arg].chars().next().unwrap() == '-') { |
| 95 | match args[cur_arg].as_str() { |
| 96 | "--" => { break; }, |
| 97 | "-noout" => { noout = true; }, |
| 98 | "-an" => { decode_audio = false; }, |
| 99 | "-vn" => { decode_video = false; }, |
| 100 | "-nm=count" => { nmode = NumberMode::Counter; }, |
| 101 | "-nm=pktpts" => { nmode = NumberMode::PktPTS; }, |
| 102 | "-nm=frmpts" => { nmode = NumberMode::FrmPTS; }, |
| 103 | _ => { println!("unknown option {}", args[cur_arg]); return; }, |
| 104 | } |
| 105 | cur_arg += 1; |
| 106 | } |
| 107 | let name = args[cur_arg].as_str(); |
| 108 | cur_arg += 1; |
| 109 | if cur_arg < args.len() { |
| 110 | lastpts = Some(u64::from_str_radix(args[cur_arg].as_str(), 10).unwrap()); |
| 111 | } |
| 112 | |
| 113 | let path = Path::new(name); |
| 114 | let mut file = File::open(path).unwrap(); |
| 115 | let dmx_fact; |
| 116 | let mut fr = FileReader::new_read(&mut file); |
| 117 | let mut br = ByteReader::new(&mut fr); |
| 118 | let res = detect::detect_format(name, &mut br); |
| 119 | if res.is_none() { |
| 120 | println!("cannot detect format for {}", name); |
| 121 | return; |
| 122 | } |
| 123 | let (dmx_name, _) = res.unwrap(); |
| 124 | println!("trying demuxer {} on {}", dmx_name, name); |
| 125 | |
| 126 | let mut dmx_reg = RegisteredDemuxers::new(); |
| 127 | nihav_register_all_demuxers(&mut dmx_reg); |
| 128 | let mut dec_reg = RegisteredDecoders::new(); |
| 129 | nihav_register_all_codecs(&mut dec_reg); |
| 130 | |
| 131 | dmx_fact = dmx_reg.find_demuxer(dmx_name).unwrap(); |
| 132 | br.seek(SeekFrom::Start(0)).unwrap(); |
| 133 | let mut dmx = create_demuxer(dmx_fact, &mut br).unwrap(); |
| 134 | |
| 135 | let mut decs: Vec<Option<Box<NADecoder>>> = Vec::new(); |
| 136 | let mut sids: Vec<u32> = Vec::new(); |
| 137 | let mut writers: Vec<Outputter> = Vec::new(); |
| 138 | for i in 0..dmx.get_num_streams() { |
| 139 | let s = dmx.get_stream(i).unwrap(); |
| 140 | let info = s.get_info(); |
| 141 | let decfunc = dec_reg.find_decoder(info.get_name()); |
| 142 | println!("stream {} - {} {}", i, s, info.get_name()); |
| 143 | let str_id = s.get_id(); |
| 144 | let mut has_out = false; |
| 145 | sids.push(str_id); |
| 146 | if info.is_video() { |
| 147 | if decode_video { |
| 148 | if decfunc.is_none() { |
| 149 | println!("no video decoder found!"); |
| 150 | return; |
| 151 | } |
| 152 | let mut dec = (decfunc.unwrap())(); |
| 153 | dec.init(info).unwrap(); |
| 154 | decs.push(Some(dec)); |
| 155 | if !noout { |
| 156 | writers.push(Outputter::Video(FrameOutput{prefix: "", streamno: i, frameno: 1, nmode: nmode})); |
| 157 | has_out = true; |
| 158 | } |
| 159 | } else { |
| 160 | decs.push(None); |
| 161 | } |
| 162 | } else if info.is_audio() { |
| 163 | if decode_audio { |
| 164 | if decfunc.is_none() { |
| 165 | println!("no audio decoder found!"); |
| 166 | return; |
| 167 | } |
| 168 | let mut dec = (decfunc.unwrap())(); |
| 169 | dec.init(info).unwrap(); |
| 170 | decs.push(Some(dec)); |
| 171 | if !noout { |
| 172 | let name = format!("out{:02}.wav", i); |
| 173 | writers.push(Outputter::Audio(AudioOutput::new(&name))); |
| 174 | has_out = true; |
| 175 | } |
| 176 | } else { |
| 177 | decs.push(None); |
| 178 | } |
| 179 | } else { |
| 180 | decs.push(None); |
| 181 | panic!("decoder {} not found", info.get_name()); |
| 182 | } |
| 183 | if !has_out { |
| 184 | writers.push(Outputter::None); |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | loop { |
| 189 | let pktres = dmx.get_frame(); |
| 190 | if let Err(e) = pktres { |
| 191 | if e == DemuxerError::EOF { break; } |
| 192 | } |
| 193 | let pkt = pktres.unwrap(); |
| 194 | let streamno = pkt.get_stream().get_id(); |
| 195 | let sr = sids.iter().position(|x| *x == streamno); |
| 196 | let idx = sr.unwrap(); |
| 197 | if let Some(ref mut dec) = decs[idx] { |
| 198 | let frm = dec.decode(&pkt).unwrap(); |
| 199 | if !noout { |
| 200 | match writers[idx] { |
| 201 | Outputter::Video(ref mut wr) => { wr.output_frame(&pkt, frm); }, |
| 202 | Outputter::Audio(ref mut wr) => { wr.output_frame(&pkt, frm); }, |
| 203 | _ => {}, |
| 204 | }; |
| 205 | } |
| 206 | } |
| 207 | if pkt.get_pts() != None && lastpts.is_some() && pkt.get_pts() >= lastpts { break; } |
| 208 | } |
| 209 | //panic!("end"); |
| 210 | } |